view Modules/_sqlite/microprotocols.h @ 87690:66c1c9f32567 default tip

Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 8f886acaa142
children
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/* microprotocols.c - definitions for minimalist and non-validating protocols
 *
 * Copyright (C) 2003-2004 Federico Di Gregorio <fog@debian.org>
 *
 * This file is part of psycopg and was adapted for pysqlite. Federico Di
 * Gregorio gave the permission to use it within pysqlite under the following
 * license:
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

#ifndef PSYCOPG_MICROPROTOCOLS_H
#define PSYCOPG_MICROPROTOCOLS_H 1

#include <Python.h>

/** adapters registry **/

extern PyObject *psyco_adapters;

/** the names of the three mandatory methods **/

#define MICROPROTOCOLS_GETQUOTED_NAME "getquoted"
#define MICROPROTOCOLS_GETSTRING_NAME "getstring"
#define MICROPROTOCOLS_GETBINARY_NAME "getbinary"

/** exported functions **/

/* used by module.c to init the microprotocols system */
extern int pysqlite_microprotocols_init(PyObject *dict);
extern int pysqlite_microprotocols_add(
    PyTypeObject *type, PyObject *proto, PyObject *cast);
extern PyObject *pysqlite_microprotocols_adapt(
    PyObject *obj, PyObject *proto, PyObject *alt);

extern PyObject *
    pysqlite_adapt(pysqlite_Cursor* self, PyObject *args);   
#define pysqlite_adapt_doc \
    "adapt(obj, protocol, alternate) -> adapt obj to given protocol. Non-standard."

#endif /* !defined(PSYCOPG_MICROPROTOCOLS_H) */